Why do the leaves of Vinca turn yellow after repotting? How to care for Vinca in daily life

Vinca roseus is a common flower in life. Many people will encounter the problem of yellowing leaves of vinca roseus when growing it. So why do the leaves of vinca roseus turn yellow after changing the pot? How to take care of vinca roseus in daily life? The following editor will explain them one by one, hoping to help everyone.

Why do the leaves of Catharanthus roseus turn yellow after repotting?

1. All plants like loose, breathable, and well-drained soil, and Vinca rosea is no exception. Soil compaction will cause watering to be impermeable, and the roots will not be able to absorb water for a long time, causing them to dry up, causing the leaves to wilt, curl down, and become smaller. If you water too much, soil compaction will easily cause difficulty in root breathing and cause root rot.

2. The potting soil is short of water for a long time. The temperature is high in summer and the evaporation is fast, which causes the roots to dry up. Even watering the vinca roseus will not be able to recover.

3. It is best to water vinca in the morning and evening. If you water it at noon, the soil in the pot is very humid and the weather is hot and stuffy, it is easy to cause the roots to rot.

4. The weather is hot and stuffy without ventilation, and vinca roseus is easily attacked by honey bugs.

Can vinca roseus be grown into an old pile?

Therefore, like the perennial sunflower, the vinca roseus can safely survive the winter if the winter temperature is suitable. With proper pruning, it can become an old pile like woody flowers. However, for most herbaceous plants, the new seedlings are more vigorous, so it is also good to replant them every year.

How to take care of Vinca rosea in daily life

Catharanthus roseus has no strict requirements on water and soil. Garden soil and nutrient soil are both fine. If the soil is too dry or wet for a long time, the leaves will turn yellow and fall off. It needs to be moved indoors in winter to avoid freezing to death.

If you find yellow leaves, first check whether it is normal yellowing due to the metabolism of old leaves, then check the soil moisture and temperature. If you are worried about diseases, you can water some thiophanate-methyl or mancozeb solution. As long as the yellow leaves are not too severe and the soil is not lacking in water, it will basically recover on its own.

Catharanthus roseus is mostly propagated by sowing, because the fruit is clip-shaped and will burst open by itself when ripe, which is the same as Oxalis.

Catharanthus roseus has a weak ability to branch out. If you want a beautiful plant shape and more flowers, you must prune it frequently. Pruning after flowering is very important, otherwise one or two branches will not stand up, and they will droop if they are too long. Of course, you can also make a circle of brackets on the pot, and when the branches grow long, coil them on the rack.